<!DOCTYPE html>
<!--解决idea thymeleaf 表达式模板报红波浪线-->
<!--suppress ALL -->
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <meta charset="UTF-8">
    <title>ERROR-自定义错误页面</title>
</head>
<body>
    <p th:text="${msg}"></p>
</body>
</html>